Home / 187,172.46-258,299.90-102,289.52

Finding the Fourth Proportional to 187,172.46, 258,299.90 and 102,289.52

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Solution

The fourth proportional to 187,172.46, 258,299.90 and 102,289.52 is: 141,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,172.46 : 258,299.90 = 102,289.52 : x
  2. Step 2: Convert to fraction form
    187,172.46/258,299.90 = 102,289.52/x
  3. Step 3: Cross multiply
    187,172.46x = 258,299.90 × 102,289.52
  4. Step 4: Simplify right side
    187,172.46x = 26,421,372,787.05
  5. Step 5: Solve for x
    x = 26,421,372,787.05/187,172.46
  6. Step 6: Final answer
    x = 141,160.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.